rustit/mirror_runit/runit-2.1.2/src/readclose.c
2024-03-24 23:51:57 +00:00

23 lines
557 B
C

/* Public domain. */
#include <unistd.h>
#include "error.h"
#include "readclose.h"
int readclose_append(int fd,stralloc *sa,unsigned int bufsize)
{
int r;
for (;;) {
if (!stralloc_readyplus(sa,bufsize)) { close(fd); return -1; }
r = read(fd,sa->s + sa->len,bufsize);
if (r == -1) if (errno == error_intr) continue;
if (r <= 0) { close(fd); return r; }
sa->len += r;
}
}
int readclose(int fd,stralloc *sa,unsigned int bufsize)
{
if (!stralloc_copys(sa,"")) { close(fd); return -1; }
return readclose_append(fd,sa,bufsize);
}